CN216275729U

CN216275729U - High-strength foundation pit inner supporting device

Info

Publication number: CN216275729U
Application number: CN202122673916.1U
Authority: CN
Inventors: 刘维; 曾治国; 周意; 李旺; 何登前
Original assignee: Hunan No2 Engineering Co ltd
Current assignee: Hunan No2 Engineering Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-12
Anticipated expiration: 2031-11-03

Abstract

The utility model provides a high strength foundation ditch internal supporting device, includes the mobile jib, the bracing piece is all installed at the both ends of mobile jib both sides, the inside movable mounting of bracing piece has the thread bush, the inside one side of keeping away from the thread bush of bracing piece is equipped with adjustment mechanism, the thread bush is kept away from one side of mobile jib and is installed the spliced pole, the spliced pole is kept away from and is installed the enhancement seat between one side of thread bush, and strengthens the seat and keep away from one side of spliced pole and install the backup pad, strengthen the seat and all install the bearing frame near the both ends of mobile jib one side, and install the stiffener between the inboard of bearing frame. The utility model can not only realize the function of high strength, but also realize the function of convenient adjustment and disassembly.

Description

High-strength foundation pit inner supporting device

Technical Field

The utility model relates to the technical field of foundation pit supporting, in particular to a high-strength foundation pit inner supporting device.

Background

The foundation pit is a space below the ground excavated for the construction of a building foundation and a basement, belongs to temporary engineering, and has the function of providing a space so that the building operation of the foundation can be carried out according to the position specified by design.

CN213390163U discloses a foundation ditch inner supporting structure, can dismantle the backup pad of being connected including the bracing piece and with bracing piece both ends, the backup pad butt is on the inner wall of foundation ditch, and the bracing piece is including adjusting the pole and threaded connection at the telescopic link of adjusting the pole both ends, and the both ends of adjusting the pole are equipped with opposite direction's screw thread to install in the inside of telescopic link, the one end and the bracing piece of telescopic link can be dismantled and be connected. After the foundation ditch construction is accomplished, the staff pulls down the device, when carrying out the foundation ditch support next time, can be according to the length of the size adjustment bracing piece of foundation ditch, the device only need just can used repeatedly through simple regulation, has saved the time that constructor changed the support column when the construction, has improved the effect of efficiency of construction, but this technical scheme has following weak point: the structure that only supports through single bracing piece is comparatively simple, and support intensity is lower, can cause local pressure great, can not satisfy current use needs.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a high strength inner support device for a foundation pit, which can solve the problem of low support strength in the background art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a high strength foundation ditch internal supporting device, includes the mobile jib, the bracing piece is all installed at the both ends of mobile jib both sides, the inside movable mounting of bracing piece has the thread bush, the inside one side of keeping away from the thread bush of bracing piece is equipped with adjustment mechanism, the thread bush is kept away from one side of mobile jib and is installed the spliced pole, the spliced pole is kept away from and is installed the enhancement seat between one side of thread bush, and strengthens the seat and keep away from one side of spliced pole and install the backup pad, strengthen the seat and all install the bearing frame near the both ends of mobile jib one side, and install the stiffener between the inboard of bearing frame.

Preferably, the inside of backup pad evenly is equipped with first strengthening rib and second strengthening rib, all be vertically and horizontally staggered arrangement setting between first strengthening rib and the second strengthening rib.

Preferably, the locating pin is installed to one side that the bearing frame is close to the enhancement seat, the second threaded rod is installed to one side that the enhancement seat was kept away from to the bearing frame, the inside both sides of stiffener all are equipped with the thread groove, and thread groove and second threaded rod swing joint.

Preferably, adjustment mechanism includes first threaded rod, the main bevel gear is installed in the outside of first threaded rod, the hand wheel is installed on the top of bracing piece, the bottom of hand wheel vertically stretches into in the bracing piece and installs from the bevel gear.

Preferably, the inside both ends of bracing piece all are equipped with the guide way, the guide block is all installed at the both ends that the thread bush is close to main bevel gear one side, guide block and guide way swing joint.

Preferably, one side that the thread bush is close to the spliced pole is equipped with the fixed slot, one side that the spliced pole is close to the thread bush is installed the fixed block, fixed block and fixed slot swing joint, the outside of thread bush is equipped with fixed establishment.

Preferably, fixed establishment includes fixed cover, go up fixed cover and install the top at the thread bush, the both ends of going up fixed cover bottom all are equipped with the draw-in groove, fixed cover is installed down to the bottom of going up fixed cover, the fixture block is all installed at the both ends at fixed cover top down, fixture block and draw-in groove swing joint, the one end that the thread bush was kept away from to the fixture block is equipped with fixed screw, and the inside movable mounting of fixed screw has the fixed screw.

The technical principle of the utility model is as follows:

(1) the first reinforcing ribs and the second reinforcing ribs which are criss-cross are arranged inside the supporting plate, so that the overall strength of the supporting plate is further improved on the original basis, the supporting plate is firmer and more durable, meanwhile, the reinforcing rods are convenient to be arranged between the inner sides of the supporting plate under the action of the positioning pins, the second threaded rods on two sides are rotated, one ends of the second threaded rods are connected with the bearing seats, the other ends of the second threaded rods are arranged in the threaded grooves in the reinforcing rods, the second threaded rods are driven to extend out of the reinforcing rods through the threaded connection relationship between the second threaded rods and the threaded grooves and abut against the supporting plate, and the deformation of the supporting plate caused by overlarge local pressure is avoided through the pressure sharing action of the supporting plate, so that the supporting effect of the device is further improved, and the overall strength of the device is enhanced;

(2) the hand wheel is rotated to drive the slave bevel gear to rotate, the slave bevel gear synchronously drives the first threaded rod to rotate through the meshing action between the slave bevel gear and the main bevel gear, the first threaded rod drives the threaded sleeve to stretch through the threaded connection between the first threaded rod and the threaded sleeve, so that the extension distance of the threaded sleeves on two sides is conveniently adjusted to enable the threaded sleeves to be suitable for foundation pit main bodies with different inner diameters, the universality of the device is further enhanced, the construction cost is reduced, the threaded sleeves are convenient to guide and limit through the sliding of the guide block in the guide groove while moving, and the stability of the threaded sleeves during moving is improved so as to enhance the supporting effect of the device;

(3) through setting up fixed block and fixed slot, separation between fixed block and the fixed slot is convenient for drive spliced pole and thread bush and carries out the split, so that take off the backup pad fast, thereby improve the convenience when the device installation is demolishd, can be used for other foundation ditch main parts again after demolising the device simultaneously, further strengthen the practicality of device, through being provided with fixed establishment, after spliced pole and thread bush installation are accomplished, be convenient for install fixed cover and lower fixed cover in the outside of spliced pole and thread bush junction through the block between fixture block and the draw-in groove, rotatory fixed screw carries out spacing locking to it simultaneously, thereby be convenient for improve the steadiness of junction, make it be difficult for pressurized to produce deformation in the use, be favorable to strengthening the holistic stable effect of device.

Compared with the prior art, the utility model has the beneficial effects that: not only can realize the function of high strength, but also can realize the function of being convenient for adjust, dismouting.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a side view of the support plate of the present invention;

FIG. 4 is a schematic front sectional view of the adjusting mechanism of the present invention;

FIG. 5 is a schematic view of a cross-sectional front view of a stiffener according to the present invention;

FIG. 6 is a schematic side sectional view of the fixing mechanism of the present invention;

in the figure: 1. a foundation pit main body; 2. a support plate; 3. a reinforcement base; 4. a bearing seat; 5. connecting columns; 6. a threaded sleeve; 7. a main rod; 8. a support bar; 9. a first reinforcing rib; 10. a second reinforcing rib; 11. a reinforcing bar; 12. a fixing mechanism; 1201. fixing a sleeve; 1202. a clamping block; 1203. a lower fixing sleeve; 1204. a card slot; 1205. fixing screws; 1206. fixing screw holes; 13. an adjustment mechanism; 1301. a first threaded rod; 1302. a main bevel gear; 1303. a slave bevel gear; 1304. a hand wheel; 14. a guide block; 15. a guide groove; 16. a second threaded rod; 17. a thread groove; 18. positioning pins; 19. fixing grooves; 20. and (5) fixing blocks.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, it being understood that the examples described are only some of the examples and are not intended to limit the scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 6, the high-strength foundation pit inner support device comprises a main rod 7, wherein the main rod 7 is installed in the middle of the bottom end inside a foundation pit main body 1, support rods 8 are installed at two ends of two sides of the main rod 7, a threaded sleeve 6 is movably installed inside each support rod 8, and an adjusting mechanism 13 is arranged on one side, far away from the threaded sleeve 6, inside each support rod 8; the adjusting mechanism 13 comprises a first threaded rod 1301, a main bevel gear 1302 is installed on the outer side of the first threaded rod 1301, a hand wheel 1304 is installed at the top end of the supporting rod 8, the bottom end of the hand wheel 1304 vertically extends into the supporting rod 8 and is provided with a secondary bevel gear 1303, guide grooves 15 are formed in two ends of the inner portion of the supporting rod 8, guide blocks 14 are installed at two ends of one side, close to the main bevel gear 1302, of the threaded sleeve 6, and the guide blocks 14 are movably connected with the guide grooves 15;

a connecting column 5 is arranged on one side of the threaded sleeve 6, which is far away from the main rod 7; a fixing groove 19 is formed in one side, close to the connecting column 5, of the threaded sleeve 6, a fixing block 20 is installed on one side, close to the threaded sleeve 6, of the connecting column 5, the fixing block 20 is movably connected with the fixing groove 19, a fixing mechanism 12 is arranged on the outer side of the threaded sleeve 6, the fixing mechanism 12 comprises an upper fixing sleeve 1201, the upper fixing sleeve 1201 is installed at the top end of the threaded sleeve 6, clamping grooves 1204 are formed in two ends of the bottom of the upper fixing sleeve 1201, a lower fixing sleeve 1203 is installed at the bottom end of the upper fixing sleeve 1201, clamping blocks 1202 are installed at two ends of the top of the lower fixing sleeve 1203, the clamping blocks 1202 are movably connected with the clamping grooves 1204, a fixing screw hole 1206 is formed in one end, away from the threaded sleeve 6, of each clamping block 1202, and a fixing screw 1205 is movably installed inside each fixing screw hole 1206;

a reinforcing seat 3 is arranged between the sides of the connecting columns 5 far away from the thread sleeves 6, and a supporting plate 2 is arranged on one side of the reinforcing seat 3 far away from the connecting columns 5; the inner part of the supporting plate 2 is uniformly provided with first reinforcing ribs 9 and second reinforcing ribs 10, and the first reinforcing ribs 9 and the second reinforcing ribs 10 are arranged in a criss-cross manner;

bearing seats 4 are arranged at two ends of one side of the reinforcing seat 3 close to the main rod 7, and reinforcing rods 11 are arranged between the inner sides of the bearing seats 4; the locating pin 18 is installed to one side that the bearing frame 4 is close to and strengthens seat 3, the second threaded rod 16 is installed to one side that the bearing frame 4 kept away from and strengthens seat 3, the inside both sides of stiffener 11 all are equipped with thread groove 17, and thread groove 17 and second threaded rod 16 swing joint.

According to the utility model, the hand wheel 1304 drives the slave bevel gear 1303 to rotate, the slave bevel gear 1303 synchronously drives the first threaded rod 1301 to rotate through the meshing action between the slave bevel gear 1303 and the main bevel gear 1302, and the first threaded rod 1301 drives the threaded sleeve 6 to stretch through the threaded connection action between the first threaded rod and the threaded sleeve 6, so that the extension distance of the threaded sleeves 6 on two sides can be conveniently adjusted to enable the threaded sleeves to be suitable for foundation pit main bodies 1 with different inner diameters, the universality of the device is further enhanced, and the construction cost is reduced.

According to the utility model, the connecting column 5 and the threaded sleeve 6 are conveniently driven to be detached through the separation between the fixing block 20 and the fixing groove 19, so that the supporting plate 2 can be quickly taken down, the convenience in installation and detachment of the device can be improved, meanwhile, the device can be reused in other foundation pit main bodies 1 after being detached, the practicability of the device is further enhanced, through the arrangement of the fixing mechanism 12, after the connecting column 5 is connected with the threaded sleeve 6, the upper fixing sleeve 1201 and the lower fixing sleeve 1203 are conveniently installed on the outer side of the joint of the connecting column 5 and the threaded sleeve 6 through the clamping between the clamping block 1202 and the clamping groove 1204, and meanwhile, the fixing screw 1205 is rotated to limit and lock the connecting column, so that the stability of the joint is improved, the connecting column is not easily stressed to deform in the use process, and the overall stability effect of the device is enhanced.

According to the utility model, the first reinforcing ribs 9 and the second reinforcing ribs 10 which are criss-cross are arranged in the support plate 2, so that the integral strength is further improved on the original basis of the support plate 2, and the support plate is firmer and more durable.

According to the utility model, the reinforcing rod 11 is convenient to be arranged between the inner sides of the supporting plates 2 through the positioning pin 18, the second threaded rods 16 on two sides are rotated, one end of each second threaded rod 16 is connected with the bearing seat 4, and the other end of each second threaded rod 16 is arranged in the corresponding threaded groove 17 in the reinforcing rod 11, so that the second threaded rods 16 are driven to extend out from the reinforcing rods 11 through the threaded connection between the second threaded rods 16 and the threaded grooves 17 and tightly abut against the supporting plates 2, thus the supporting function of the device is further improved, and the integral strength of the device is enhanced.

The working principle is as follows:

firstly, fixing the main rod 7 at the bottom end inside the foundation pit main body 1, rotating a hand wheel 1304 according to the size of the foundation pit main body 1, driving a slave bevel gear 1303 to rotate by the hand wheel 1304, synchronously driving a first threaded rod 1301 to rotate by the slave bevel gear 1303 through the meshing action between the slave bevel gear 1303 and the main bevel gear 1302, driving a threaded sleeve 6 to stretch by the first threaded rod 1301 through the threaded connection action between the first threaded rod and the threaded sleeve 6, so that the main rod is suitable for foundation pit main bodies 1 with different sizes by adjusting the extension distance of the threaded sleeves 6 at two sides;

secondly, after the adjustment is completed, the reinforcing seat 3 is connected with the threaded sleeve 6 through the fixing block 20 and the fixing groove 19 so as to tightly support the support plate 2, and meanwhile, the upper fixing sleeve 1201 and the lower fixing sleeve 1203 are arranged on the outer side of the joint of the connecting column 5 and the threaded sleeve 6 through the fixture block 1202 and the clamping groove 1204 so as to enhance the connection stability of the upper fixing sleeve and the lower fixing sleeve, so that the upper fixing sleeve and the lower fixing sleeve are not easily stressed and deformed in the use process;

finally, place stiffener 11 in between the inboard of backup pad 2 through locating pin 18, and rotatory both sides second threaded rod 16 makes its inside from stiffener 11 extend out and support tightly backup pad 2, thereby further improve the supporting role of device, strengthen its bulk strength, and in the use, through inside vertically and horizontally staggered's of backup pad 2 first strengthening rib 9 and second strengthening rib 10, be favorable to further improving bulk strength on the original basis of backup pad 2, make it sturdy and durable more.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high strength foundation ditch internal support device which characterized in that: including the mobile jib, the bracing piece is all installed at the both ends of mobile jib both sides, the inside movable mounting of bracing piece has the thread bush, the inside one side of keeping away from the thread bush of bracing piece is equipped with adjustment mechanism, the spliced pole is installed to one side that the mobile jib was kept away from to the thread bush, install between the one side that the thread bush was kept away from to the spliced pole and strengthen the seat, and strengthen the seat and keep away from one side of spliced pole and install the backup pad, strengthen the seat and all install the bearing frame near the both ends of mobile jib one side, and install the stiffener between the inboard of bearing frame.

2. The support device in a high strength foundation pit according to claim 1, wherein: the inside of backup pad evenly is equipped with first strengthening rib and second strengthening rib, all be vertically and horizontally staggered and arrange the setting between first strengthening rib and the second strengthening rib.

3. The support device in a high strength foundation pit according to claim 1 or 2, wherein: the locating pin is installed to one side that the bearing frame is close to strengthening the seat, the bearing frame is kept away from one side of strengthening the seat and is installed the second threaded rod, the inside both sides of stiffener all are equipped with the thread groove, and thread groove and second threaded rod swing joint.

4. The support device in a high strength foundation pit according to claim 1 or 2, wherein: the adjusting mechanism comprises a first threaded rod, a main bevel gear is installed on the outer side of the first threaded rod, a hand wheel is installed on the top end of the supporting rod, and a bottom end of the hand wheel vertically extends into the supporting rod and is provided with a slave bevel gear.

5. The support device in a high strength foundation pit according to claim 1 or 2, wherein: the inside both ends of bracing piece all are equipped with the guide way, the guide block is all installed at the both ends that the thread bush is close to main bevel gear one side, guide block and guide way swing joint.

6. The support device in a high strength foundation pit according to claim 1 or 2, wherein: one side that the thread bush is close to the spliced pole is equipped with the fixed slot, one side that the spliced pole is close to the thread bush is installed the fixed block, fixed block and fixed slot swing joint, the outside of thread bush is equipped with fixed establishment.

7. The support device in a high strength foundation pit according to claim 6, wherein: the fixing mechanism comprises an upper fixing sleeve, the upper fixing sleeve is mounted at the top of the threaded sleeve, the two ends of the bottom of the upper fixing sleeve are provided with clamping grooves, a lower fixing sleeve is mounted at the bottom end of the upper fixing sleeve, clamping blocks are mounted at the two ends of the top of the lower fixing sleeve, the clamping blocks are movably connected with the clamping grooves, one end, away from the threaded sleeve, of each clamping block is provided with a fixing screw hole, and a fixing screw is movably mounted inside the fixing screw hole.